MCP4461-103E/ML

Introduction

The MCP4461-103E/ML is a digital potentiometer belonging to the category of integrated circuits. It is commonly used in various electronic devices and systems to provide variable resistance for controlling voltage levels, current flow, and signal amplification. This component offers unique characteristics, packaging, and essential features that make it suitable for a wide range of applications.

Basic Information Overview

• Category: Integrated Circuits
• Use: Provides variable resistance for voltage control, current regulation, and signal amplification in electronic devices and systems.
• Characteristics: Digital control, non-volatile memory, low power consumption.
• Package: 8-pin DFN (Dual Flat No-Lead) package.
• Essence: Offers precise and reliable resistance adjustment in a compact form factor.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Resistance Range: 5 kΩ to 100 kΩ
• Number of Channels: Single channel
• Operating Voltage: 2.7V to 5.5V
• Interface: I2C compatible
• Temperature Range: -40°C to +125°C
• Resolution: 7-bit (129 wiper steps)

Detailed Pin Configuration

The MCP4461-103E/ML features an 8-pin DFN package with the following pin configuration: 1. VSS (Ground) 2. A Terminal 3. B Terminal 4. Wiper Terminal 5. SDA (Serial Data) 6. SCL (Serial Clock) 7. VDD (Power Supply) 8. WP (Write Protect)

Functional Features

• Digital Control: Allows precise and programmable resistance adjustments.
• Non-Volatile Memory: Retains settings even when power is removed.
• Low Power Consumption: Ideal for battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise and repeatable resistance settings. - Compact form factor. - Non-volatile memory for retaining settings.

Disadvantages: - Limited resolution compared to higher bit digital potentiometers. - Restricted to single-channel operation.

Working Principles

The MCP4461-103E/ML operates by digitally adjusting the resistance between the A and B terminals using the wiper terminal. This digital potentiometer utilizes non-volatile memory to store the resistance settings, ensuring consistent performance even after power cycles.

Detailed Application Field Plans

The MCP4461-103E/ML finds extensive application in various electronic systems, including: - Audio Equipment: Volume control, tone adjustment. - Instrumentation: Calibration, signal conditioning. - Industrial Control: Variable speed drives, process control.

Detailed and Complete Alternative Models

• MCP4131: Single-channel digital potentiometer with 8-bit resolution.
• MCP4261: Dual-channel digital potentiometer with similar specifications.

In conclusion, the MCP4461-103E/ML digital potentiometer offers precise resistance control, non-volatile memory, and low power consumption, making it an ideal choice for a wide range of electronic applications.

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